| Name |
Years active |
Proven victims |
Possible victims |
Status |
Notes |
Ref
|
| Andrés Leonardo Achipiz
|
2009–2013
|
12 |
35 |
Incarcerated
|
Known as "The Fish"; psychopathic hired killer who killed in Bogotá involved in the drug trade
|
[4]
|
| José William Aranguren
|
1956–1964
|
115
|
115
|
Killed in a shootout with law enforcement
|
Bandit who murdered people across three municipalities, together with three accomplices
|
[5]
|
| Daniel Camargo Barbosa
|
1974–1986
|
72 |
180
|
Murdered in prison by a victim's relative
|
Known as "The Sadist of El Charquito"; raped and murdered young girls across Colombia and Ecuador
|
[6]
|
| Manuel Octavio Bermúdez
|
1999–2003
|
21 |
50+
|
56 years; commuted to 26 years
|
Known as "The Monster of the Cane Fields"; raped and murdered children in rural Valle del Cauca
|
[7]
|
| Cristopher Chávez Cuellar
|
1990s–2015
|
6 |
15+
|
40 years
|
Known as "The Soulless"; murdered various people around three municipalities, including three underage brothers
|
[8]
|
| María Concepción Ladino
|
1994–1998
|
6 |
6 |
40 years
|
Known as "The Killer Witch"; fraudster who poisoned victims she had defrauded
|
[9]
|
| Luis Garavito
|
1992–1999
|
142
|
193+
|
Died in prison
|
Known as "The Beast"; tortured, raped, mutilated and murdered children across Colombia, Ecuador and Venezuela
|
[10]
|
| Sandra Giraldo
|
2008–2011
|
3 |
3+
|
Incarcerated
|
Together with Emilsen Rojas and several accomplices, she led "The Black Widow Gang"; defrauded and poisoned men for their life insurance policies
|
[11]
|
| Pedro López
|
1969–1980
|
110
|
350+
|
Fugitive
|
Known as "The Monster of the Andes"; raped and killed young girls across Colombia, Ecuador and Peru
|
[12]
|
| Luis Alberto Malagón Suárez
|
1995–2001
|
6 |
6+
|
Incarcerated
|
Known as "The Sadist of Rincón"; kidnapped, raped, and killed five girls from 1995 to 1997 in Suba, and later killed his wife
|
[13]
|
| Tomás Maldonado Cera
|
2002–2018
|
7 |
10 |
Incarcerated
|
Known as "The Satanist"; murdered victims on or around Halloween night, then carved Satanic symbols on their bodies
|
[14]
|
| Jaime Iván Martínez
|
2005–2016
|
4 |
25 |
42 years
|
Known as "The Guarne Killer"; strangled young children and his wife in Guarne; suspected in other murders
|
[15]
|
| Élver James Melchor Bañol
|
1990s–2019
|
4 |
4 |
60 years
|
Known as "The Predator of Picaleña"; serial child rapist who murdered a girl in Tolima after being released on parole for three similar murders and sex crimes
|
[16]
|
| John Jairo Moreno Torres
|
1997–1998
|
4 |
20 |
Murdered in prison by fellow inmates
|
Known as "Johnny the Leper"; underage gang leader who murdered people who interfered with his criminal activities
|
[17]
|
| Yadira Narváez
|
2011
|
5 |
6+
|
100 years
|
Known as "The Queen of Scopolamine"; poisoned men with Carbofuran to steal their money
|
[18]
|
| Hernando Arturo Prada
|
1990s–1999
|
10 |
10+
|
Killed by a paramilitary squad while on the run
|
Known as "The Angel of Death"; gang leader who killed people in Bucaramanga
|
[19]
|
| Luis Gregorio Ramírez Maestre
|
2010–2012
|
30 |
30 |
34 years
|
Known as "The Monster of Tenerife"; tortured and murdered motorists he came across highways
|
[20]
|
| Emilsen Rojas
|
2008–2011
|
3 |
3+
|
Incarcerated
|
Together with Sandra Giraldo and several accomplices, she led "The Black Widow Gang"; defrauded and poisoned men for their life insurance policies
|
[21]
|
| Esneda Ruiz Cataño
|
2001–2010
|
3 |
3 |
Incarcerated
|
Known as "The Predator"; poisoned three husbands for their life insurance policies
|
[22]
|
| Efraín Sarmiento Cuero
|
2017–2023
|
3 |
3 |
Incarcerated
|
Known as "The Beast"; murdered girlfriends across during arguments, including one during a conjugal visit in prison
|
[23]
|
| Fredy Armando Valencia
|
2012–2014
|
8 |
100+
|
36 years
|
Known as "The Monster of Monserrate"; strangled women around Monserrate, then had sex with their bodies
|
[24]
|
| Juan Carlos Villa
|
2012–2023
|
11 |
11 |
Incarcerated
|
Murdered 11 people across various municipalities.
|
[25]
|
| Rubén Villalobos Herrera
|
2012–2017
|
9 |
9 |
Incarcerated
|
Known as "The Black Canes Monster"; raped and murdered women in Villavicencio, then had sex with their bodies post-mortem
|
[26]
|
